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OBD I SAYS CAR NOT RESPONDING. 93 Blazer. V6 4.3L. S-10 style.

Tiny
MURDAWG
  • MEMBER
  • 1993 CHEVROLET BLAZER
  • 150,000 MILES
ObdII reader would not READ CODES
work
Tuesday, December 13th, 2011 AT 6:41 PM

5 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Does the check engine light work, and can you flash codes by grounding pins A and B at the ALDL?
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Tuesday, December 13th, 2011 AT 6:55 PM
Tiny
MURDAWG
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  • 4 POSTS
Which ones are a and b?
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Tuesday, December 13th, 2011 AT 7:06 PM
Tiny
MURDAWG
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  • 4 POSTS
Yes light works.
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Tuesday, December 13th, 2011 AT 7:07 PM
Tiny
MURDAWG
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  • 4 POSTS
Yes check engine light works
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Tuesday, December 13th, 2011 AT 7:12 PM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
If you are looking at the data link connector, A and B are in the upper right corner, if I am not mistaken. The light should flas codes in sequence when grounded.
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Tuesday, December 13th, 2011 AT 8:01 PM

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